Mitsubishi Electric MSY-GL-NA Series, Service Manual

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Model
MSZ-GL12NA MSY-GL12NA MSZ-GL15NA MSY-GL15NA
Item Unit Cooling Heating Cooling Cooling Heating Cooling
Total
Capacity Btu/h 12,000 14,400 12,000 14,000 18,000 14,000
SHF — 0.77 — 0.77 0.78 — 0.78
Input kW 0.920 1.10 0.920 1.080 1.60 1.080
Rated Hz 70 77 70 56.5 74 56.5
Electrical circuit
Indoor unit MSZ-GL12NA MSY-GL12NA MSZ-GL15NA MSY-GL15NA
Power supply V, phase, Hz 208/230, 1, 60 208/230, 1, 60 208/230, 1, 60 208/230, 1, 60
Input kW 0.022 0.023 0.022 0.043 0.030 0.043
Fan motor current A 0.24/0.22 0.25/0.23 0.24/0.22 0.43/0.39 0.34/0.31 0.43/0.39
Outdoor unit
MUZ-GL12NA
MUZ-GL12NAH
MUY-GL12NA
MUZ-GL15NA
MUZ-GL15NAH
MUY-GL15NA
Power supply V, phase, Hz 208/230, 1, 60 208/230, 1, 60 208/230, 1, 60 208/230, 1, 60
Input kW 0.898 1.077 0.898 1.037 1.570 1.037
Comp. current A 4.01/3.62 4.86/4.39 4.01/3.62 4.51/4.08 7.11/6.43 4.51/4.08
Fan motor current A 0.41/0.37 0.40/0.36 0.41/0.37 0.41/0.37 0.40/0.36 0.41/0.37
Refrigerant circuit
Condensing pressure PSIG 380 402 380 396 427 396
Suction pressure PSIG 133 106 133 138 98 138
Discharge temperature ˚F 166 167 166 168 178 168
Condensing temperature ˚F 112 115 112 115 120 115
Suction temperature ˚F 60 35 60 61 31 61
Comp. shell bottom temperature ˚F 152 150 152 152 158 152
Ref. pipe length ft. 25 25 25 25
Refrigerant charge (R410A) 2 lb 9 oz. 2 lb 9 oz. 2 lb 9 oz. 2 lb 9 oz.
Indoor unit
Intake air temperature
DB ˚F 80 70 80 80 70 80
WB ˚F 67 60 67 67 60 67
Discharge air temperature
DB ˚F 57 110 57 58 114 58
WB ˚F 55 — 55 56 — 56
Fan speed (High) rpm 1,020 1,040 1,020 1,280 1,140 1,280
Airflow (High) CFM 367 (Wet) 413 367 (Wet) 498 (Wet) 463 498 (Wet)
Outdoor unit
Intake air temperature
DB ˚F 95 47 95 95 47 95
WB ˚F — 43 — — 43 —
Fan speed rpm 900 860 900 910 900 910
Airflow CFM 1,229 1,172 1,229 1,243 1,229 1,243
OBH733J